<template>
  <view>
    <view class="cart-container" v-if="cart.length!==0">
      <!-- 收获地址 -->
      <my-address></my-address>
      <!-- 购物车商品列表的标题区域 -->
      <view class="cart-title">
        <uni-icons type="shop" size="18"></uni-icons>
        <text class="cart-title-text">购物车</text>
      </view>
      <!-- 商品列表区域 -->
     <uni-swipe-action>
        <block v-for="(goods,i) in cart" :key="i">
          <uni-swipe-action-item :right-options="options" @click="swiperItemClickHandler(goods)">
                 <my-goods :goods="goods" :show-radio="true" :show-number="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
          </uni-swipe-action-item>
        </block>
      </uni-swipe-action>
      <!-- 结算区域 -->
      <my-settle></my-settle>
    </view>
    <!-- 购物车没东西的时候  -->
    <view class="empty-cart" v-else>
      <image src="../../static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也～</text>
    </view>
  </view>
</template>

<script>
  import badegMix from '@/mixins/tabbar-badge.js'
  import { mapState, mapGetters ,mapMutations } from 'vuex'
  export default {
    mixins:[badegMix],
    computed:{
      ...mapState('m_cart',['cart']), 
    },
    data() {
      return {
        options: [{ text: '删除', style: { backgroundColor: '#C00000'  } }]
      };
    },
    methods:{
      ...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
        this.updateGoodsCount(e)
      },
      swiperItemClickHandler(goods){
        this.removeGoodsById(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #efefef;
  padding-left: 5px;
  .cart-title-text{
    font-size: 12px;
    margin-left: 10px;
  }
}
.cart-container{
  padding-bottom: 50px;
}
.empty-cart{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  .empty-img{
    width: 90px;
    height: 90px;
  }
  .tip-text{
    font-size: 12px;
    color: gray;
    margin-top: 10px;
  }
}
</style>
